Wind and solar are highly complementary. Wind tends to be peak during evening and morning, and is often stronger at night than during the day. Wind is cheaper than overbuilding solar and adding batteries.
If its a dumb idea, why waste billions of dollars on it? Do you know how much pollution that shutted down plant is? It was HugE I've gone past it. So much waste for a "dumb idea"
This is what's wrong with Americans in one succinct example. "Look at all the pollution from this field of mirrors" he thinks while driving on the freeway to Las Vegas.
China understands and is gunning for Nuclear and Solar. Geothermal and wind are nice but too location dependent.